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rockbox/apps/plugins/fireworks.c

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/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id:
*
* Copyright (C) 2007 Zakk Roberts
*
* All files in this archive are subject to the GNU General Public License.
* See the file COPYING in the source tree root for full license agreement.
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
****************************************************************************/
#include "plugin.h"
#include "oldmenuapi.h"
#include "helper.h"
PLUGIN_HEADER
static struct plugin_api* rb;
/***
* FIREWORKS.C by ZAKK ROBERTS
* Rockbox plugin simulating a fireworks display.
* Supports all bitmap LCDs, fully scalable.
* Currently disabled for Archos Recorder - runs too slow.
***/
/* All sorts of keymappings.. */
#if (CONFIG_KEYPAD == IRIVER_H300_PAD) || (CONFIG_KEYPAD == IRIVER_H100_PAD)
#define BTN_MENU BUTTON_OFF
#define BTN_FIRE BUTTON_SELECT
#elif (CONFIG_KEYPAD == IPOD_4G_PAD) || (CONFIG_KEYPAD == IPOD_3G_PAD) || \
(CONFIG_KEYPAD == IPOD_1G2G_PAD)
#define BTN_MENU BUTTON_MENU
#define BTN_FIRE BUTTON_SELECT
#elif (CONFIG_KEYPAD == RECORDER_PAD)
#define BTN_MENU BUTTON_OFF
#define BTN_FIRE BUTTON_PLAY
#elif (CONFIG_KEYPAD == ARCHOS_AV300_PAD)
#define BTN_MENU BUTTON_OFF
#define BTN_FIRE BUTTON_SELECT
#elif (CONFIG_KEYPAD == ONDIO_PAD)
#define BTN_MENU BUTTON_MENU
#define BTN_FIRE BUTTON_UP
#elif (CONFIG_KEYPAD == IAUDIO_X5M5_PAD)
#define BTN_MENU BUTTON_POWER
#define BTN_FIRE BUTTON_SELECT
#elif (CONFIG_KEYPAD == IRIVER_IFP7XX_PAD)
#define BTN_MENU BUTTON_MODE
#define BTN_FIRE BUTTON_SELECT
#elif (CONFIG_KEYPAD == GIGABEAT_PAD)
#define BTN_MENU BUTTON_MENU
#define BTN_FIRE BUTTON_SELECT
#elif (CONFIG_KEYPAD == SANSA_E200_PAD) || \
(CONFIG_KEYPAD == SANSA_C200_PAD)
#define BTN_MENU BUTTON_POWER
#define BTN_FIRE BUTTON_SELECT
#elif (CONFIG_KEYPAD == IRIVER_H10_PAD)
#define BTN_MENU BUTTON_POWER
#define BTN_FIRE BUTTON_PLAY
#endif
/* The lowdown on source terminology:
* a ROCKET is launched from the LCD bottom.
* FIREWORKs are ejected from the rocket when it explodes. */
#define MAX_ROCKETS 40
#define ROCKET_LIFE (LCD_HEIGHT/2)
#define ROCKET_LIFE_VAR (LCD_HEIGHT/4)
#define ROCKET_SIZE 2
#define ROCKET_MOVEMENT_RANGE 4
#define ROCKET_TRAIL_PARTICLES 50
#define MAX_FIREWORKS 40
#define FIREWORK_MOVEMENT_RANGE 6
#define FIREWORK_SIZE 2
/* position, speed, "phase" (age), color of all fireworks */
int firework_xpoints[MAX_ROCKETS+1][MAX_FIREWORKS];
int firework_ypoints[MAX_ROCKETS+1][MAX_FIREWORKS];
int firework_xspeed[MAX_ROCKETS+1][MAX_FIREWORKS];
int firework_yspeed[MAX_ROCKETS+1][MAX_FIREWORKS];
int firework_phase[MAX_ROCKETS+1];
#ifdef HAVE_LCD_COLOR
int firework_color[MAX_ROCKETS+1][MAX_FIREWORKS];
#endif
/* position, speed, "phase" (age) of all rockets */
int rocket_xpos[MAX_ROCKETS+1];
int rocket_ypos[MAX_ROCKETS+1];
int rocket_xspeed[MAX_ROCKETS+1];
int rocket_yspeed[MAX_ROCKETS+1];
int rocket_phase[MAX_ROCKETS+1];
int rocket_targetphase[MAX_ROCKETS+1];
/* settings values. these should eventually be saved to
* disk. maybe a preset loading/saving system? */
int autofire_delay = 0;
int particles_per_firework = 2;
int particle_life = 1;
int gravity = 1;
int show_rockets = 1;
int frames_per_second = 4;
bool quit_plugin = false;
/* firework colors:
* firework_colors = brightest firework color, used most of the time.
* DARK colors = fireworks are nearly burnt out.
* DARKER colors = fireworks are several frames away from burning out.
* DARKEST colors = fireworks are a couple frames from burning out. */
#ifdef HAVE_LCD_COLOR
static const unsigned firework_colors[] = {
LCD_RGBPACK(0,255,64), LCD_RGBPACK(61,255,249), LCD_RGBPACK(255,200,61),
LCD_RGBPACK(217,22,217), LCD_RGBPACK(22,217,132), LCD_RGBPACK(67,95,254),
LCD_RGBPACK(151,84,213) };
static const unsigned firework_dark_colors[] = {
LCD_RGBPACK(0,128,32), LCD_RGBPACK(30,128,128), LCD_RGBPACK(128,100,30),
LCD_RGBPACK(109,11,109), LCD_RGBPACK(11,109,66), LCD_RGBPACK(33,47,128),
LCD_RGBPACK(75,42,105) };
static const unsigned firework_darker_colors[] = {
LCD_RGBPACK(0,64,16), LCD_RGBPACK(15,64,64), LCD_RGBPACK(64,50,15),
LCD_RGBPACK(55,5,55), LCD_RGBPACK(5,55,33), LCD_RGBPACK(16,24,64),
LCD_RGBPACK(38,21,52) };
static const unsigned firework_darkest_colors[] = {
LCD_RGBPACK(0,32,8), LCD_RGBPACK(7,32,32), LCD_RGBPACK(32,25,7),
LCD_RGBPACK(27,2,27), LCD_RGBPACK(2,27,16), LCD_RGBPACK(8,12,32),
LCD_RGBPACK(19,10,26) };
#define EXPLOSION_COLOR LCD_RGBPACK(255,240,0)
#endif
static const struct opt_items autofire_delay_settings[16] = {
{ "Off", NULL },
{ "50ms", NULL },
{ "100ms", NULL },
{ "200ms", NULL },
{ "300ms", NULL },
{ "300ms", NULL },
{ "400ms", NULL },
{ "500ms", NULL },
{ "600ms", NULL },
{ "700ms", NULL },
{ "800ms", NULL },
{ "900ms", NULL },
{ "1s", NULL },
{ "2s", NULL },
{ "3s", NULL },
{ "4s", NULL }
};
int autofire_delay_values[16] = {
0, 5, 10, 20, 30, 40, 50, 60, 70, 80, 90, 100, 200, 300, 400 };
static const struct opt_items particle_settings[8] = {
{ "5", NULL },
{ "10", NULL },
{ "15", NULL },
{ "20", NULL },
{ "25", NULL },
{ "30", NULL },
{ "35", NULL },
{ "40", NULL },
};
int particle_values[8] = {
5, 10, 15, 20, 25, 30, 35, 40 };
static const struct opt_items particle_life_settings[9] = {
{ "20 cycles", NULL },
{ "30 cycles", NULL },
{ "40 cycles", NULL },
{ "50 cycles", NULL },
{ "60 cycles", NULL },
{ "70 cycles", NULL },
{ "80 cycles", NULL },
{ "90 cycles", NULL },
{ "100 cycles", NULL }
};
int particle_life_values[9] = {
20, 30, 40, 50, 60, 70, 80, 90, 100 };
static const struct opt_items gravity_settings[4] = {
{ "Off", NULL },
{ "Weak", NULL },
{ "Moderate", NULL },
{ "Strong", NULL },
};
int gravity_values[4] = {
0, 30, 20, 10 };
#ifdef HAVE_LCD_COLOR
static const struct opt_items rocket_settings[3] = {
{ "No", NULL },
{ "Yes (no trails)", NULL },
{ "Yes (with trails)", NULL },
};
int rocket_values[4] = {
2, 1, 0 };
#else
static const struct opt_items rocket_settings[2] = {
{ "No", NULL },
{ "Yes", NULL },
};
int rocket_values[4] = {
1, 0 };
#endif
static const struct opt_items fps_settings[9] = {
{ "20 FPS", NULL },
{ "25 FPS", NULL },
{ "30 FPS", NULL },
{ "35 FPS", NULL },
{ "40 FPS", NULL },
{ "45 FPS", NULL },
{ "50 FPS", NULL },
{ "55 FPS", NULL },
{ "60 FPS", NULL }
};
int fps_values[9] = {
20, 25, 30, 35, 40, 45, 50, 55, 60 };
static const struct menu_item items[] = {
{ "Start Demo", NULL },
{ "Auto-Fire", NULL },
{ "Particles Per Firework", NULL },
{ "Particle Life", NULL },
{ "Gravity", NULL },
{ "Show Rockets", NULL },
{ "FPS (Speed)", NULL },
{ "Quit", NULL }
};
/* called on startup. initializes all variables, etc */
void init_all(void)
{
int j;
for(j=0; j<MAX_ROCKETS; j++)
firework_phase[j] = -1;
}
/* called when a rocket hits its destination height.
* prepares all associated fireworks to be expelled. */
void init_explode(int x, int y, int firework, int points)
{
int i;
for(i=0; i<points; i++)
{
rb->srand(*rb->current_tick * i);
firework_xpoints[firework][i] = x;
firework_ypoints[firework][i] = y;
firework_xspeed[firework][i] = (rb->rand() % FIREWORK_MOVEMENT_RANGE) - FIREWORK_MOVEMENT_RANGE/2;
firework_yspeed[firework][i] = (rb->rand() % FIREWORK_MOVEMENT_RANGE) - FIREWORK_MOVEMENT_RANGE/2;
#ifdef HAVE_LCD_COLOR
firework_color[firework][i] = rb->rand() % 7;
#endif
}
}
/* called when a rocket is launched.
* prepares said rocket to start moving towards its destination. */
void init_rocket(int rocket)
{
rb->srand(*rb->current_tick);
rocket_xpos[rocket] = rb->rand() % LCD_WIDTH;
rocket_ypos[rocket] = LCD_HEIGHT;
rocket_xspeed[rocket] = (rb->rand() % ROCKET_MOVEMENT_RANGE) - ROCKET_MOVEMENT_RANGE/2;
rocket_yspeed[rocket] = 3;
rocket_targetphase[rocket] = (ROCKET_LIFE + (rb->rand() % ROCKET_LIFE_VAR)) / rocket_yspeed[rocket];
}
/* startup/configuration menu. */
void fireworks_menu(void)
{
int m, result;
bool menu_quit = false;
rb->lcd_setfont(FONT_UI);
#ifdef HAVE_LCD_COLOR
rb->lcd_set_background(LCD_BLACK);
rb->lcd_set_foreground(LCD_WHITE);
#endif
rb->lcd_clear_display();
rb->lcd_update();
m = menu_init(rb, items, sizeof(items) / sizeof(*items),
NULL, NULL, NULL, NULL);
rb->button_clear_queue();
while(!menu_quit)
{
result = menu_show(m);
switch(result)
{
case 0:
rb->lcd_setfont(FONT_SYSFIXED);
#ifdef HAVE_LCD_COLOR
rb->lcd_set_background(LCD_BLACK);
rb->lcd_set_foreground(LCD_WHITE);
#endif
rb->lcd_clear_display();
rb->lcd_update();
init_all();
menu_quit = true;
break;
case 1:
rb->set_option("Auto-Fire", &autofire_delay, INT, autofire_delay_settings, 16, NULL);
break;
case 2:
rb->set_option("Particles Per Firework", &particles_per_firework, INT, particle_settings, 8, NULL);
break;
case 3:
rb->set_option("Particle Life", &particle_life, INT, particle_life_settings, 9, NULL);
break;
case 4:
rb->set_option("Gravity", &gravity, INT, gravity_settings, 4, NULL);
break;
case 5:
rb->set_option("Show Rockets", &show_rockets, INT, rocket_settings, 3, NULL);
break;
case 6:
rb->set_option("FPS (Speed)", &frames_per_second, INT, fps_settings, 9, NULL);
break;
case 7:
quit_plugin = true;
menu_quit = true;
break;
}
}
menu_exit(m);
}
/* this is the plugin entry point */
enum plugin_status plugin_start(struct plugin_api* api, void* parameter)
{
(void)parameter;
rb = api;
int j, i, autofire=0;
int thisrocket=0;
int start_tick, elapsed_tick;
int button;
/* set everything up.. no BL timeout, no backdrop,
white-text-on-black-background. */
backlight_force_on(rb); /* backlight control in lib/helper.c */
#if LCD_DEPTH > 1
rb->lcd_set_backdrop(NULL);
rb->lcd_set_background(LCD_BLACK);
rb->lcd_set_foreground(LCD_WHITE);
#endif
#ifdef HAVE_ADJUSTABLE_CPU_FREQ
rb->cpu_boost(true);
#endif
fireworks_menu();
start_tick = *rb->current_tick;
while(!quit_plugin)
{
rb->lcd_clear_display();
/* loop through every possible rocket */
for(j=0; j<MAX_ROCKETS; j++)
{
/* if the current rocket is actually moving/"alive" then go on and
* move/update/explode it */
if(rocket_phase[j] > -1)
{
#ifdef HAVE_LCD_COLOR /* draw trail, if requested */
if(show_rockets==2)
{
rb->lcd_set_foreground(LCD_RGBPACK(128,128,128));
rb->lcd_fillrect(rocket_xpos[j], rocket_ypos[j],
ROCKET_SIZE, ROCKET_SIZE);
rb->lcd_set_foreground(LCD_RGBPACK(64,64,64));
rb->lcd_fillrect(rocket_xpos[j]-rocket_xspeed[j], rocket_ypos[j]+rocket_yspeed[j],
ROCKET_SIZE, ROCKET_SIZE);
}
#endif
/* move rocket */
rocket_xpos[j] += rocket_xspeed[j];
rocket_ypos[j] -= rocket_yspeed[j];
#ifdef HAVE_LCD_COLOR
rb->lcd_set_foreground(LCD_WHITE);
#endif
if(show_rockets==2 || show_rockets==1)
rb->lcd_fillrect(rocket_xpos[j], rocket_ypos[j],
ROCKET_SIZE, ROCKET_SIZE);
/* if(rocket isn't "there" yet) keep moving
* if(rocket IS there) explode it. */
if(rocket_phase[j] < rocket_targetphase[j])
rocket_phase[j]++;
else
{
rocket_phase[j] = -1;
firework_phase[j] = 0;
init_explode(rocket_xpos[j], rocket_ypos[j], j, particle_values[particles_per_firework]);
}
}
/* and now onto the fireworks for this particular rocket... */
if(firework_phase[j] > -1)
{
for(i=0; i<particle_values[particles_per_firework]; i++)
{
firework_xpoints[j][i] += firework_xspeed[j][i];
firework_ypoints[j][i] += firework_yspeed[j][i];
if(gravity != 0)
firework_ypoints[j][i] += firework_phase[j]/gravity_values[gravity];
#ifdef HAVE_LCD_COLOR
rb->lcd_set_foreground(firework_darkest_colors[firework_color[j][i]]);
rb->lcd_fillrect(firework_xpoints[j][i]-1,
firework_ypoints[j][i]-1,
FIREWORK_SIZE+2, FIREWORK_SIZE+2);
if(firework_phase[j] < particle_life_values[particle_life]-10)
rb->lcd_set_foreground(firework_colors[firework_color[j][i]]);
else if(firework_phase[j] < particle_life_values[particle_life]-7)
rb->lcd_set_foreground(firework_dark_colors[firework_color[j][i]]);
else if(firework_phase[j] < particle_life_values[particle_life]-3)
rb->lcd_set_foreground(firework_darker_colors[firework_color[j][i]]);
else
rb->lcd_set_foreground(firework_darkest_colors[firework_color[j][i]]);
#endif
rb->lcd_fillrect(firework_xpoints[j][i],
firework_ypoints[j][i],
FIREWORK_SIZE, FIREWORK_SIZE);
/* WIP - currently ugly explosion effect
#ifdef HAVE_LCD_COLOR
if(firework_phase[j] < 10)
{
rb->lcd_set_foreground(EXPLOSION_COLOR);
rb->lcd_fillrect(rocket_xpos[j]-firework_phase[j],
rocket_ypos[j]-firework_phase[j],
firework_phase[j]*2, firework_phase[j]*2);
}
#endif */
}
#ifdef HAVE_LCD_COLOR
rb->lcd_set_foreground(LCD_WHITE);
#endif
/* firework at its destination age?
* no = keep aging; yes = delete it. */
if(firework_phase[j] < particle_life_values[particle_life])
firework_phase[j]++;
else
firework_phase[j] = -1;
}
}
/* is autofire on? */
if(autofire_delay != 0)
{
elapsed_tick = *rb->current_tick - start_tick;
if(elapsed_tick > autofire_delay_values[autofire_delay])
{
rocket_phase[autofire] = 0;
init_rocket(autofire);
start_tick = *rb->current_tick;
if(autofire < MAX_ROCKETS)
autofire++;
else
autofire = 0;
}
}
rb->lcd_update();
button = rb->button_get_w_tmo(HZ/fps_values[frames_per_second]);
switch(button)
{
case BTN_MENU: /* back to config menu */
fireworks_menu();
break;
case BTN_FIRE: /* fire off rockets manually */
case BTN_FIRE|BUTTON_REPEAT:
if(thisrocket < MAX_ROCKETS)
thisrocket++;
else
thisrocket=0;
rocket_phase[thisrocket] = 0;
init_rocket(thisrocket);
break;
}
}
/* Turn on backlight timeout (revert to settings) */
backlight_use_settings(rb); /* backlight control in lib/helper.c */
#ifdef HAVE_ADJUSTABLE_CPU_FREQ
rb->cpu_boost(true);
#endif
return PLUGIN_OK;
}
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